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C11 <br /> /1'Ie1� XMol bdenum Climax Mine <br /> Y Highway 91 - Fremont Pass <br /> A Freeport-McMoRan Company Phone pax, CO <br /> ss 0429 <br /> 7718 <br /> Fax (719) 486-2251 <br /> June 25, 2020 RECEIVED <br /> Mr. Dustin Czapla JUL 01 2020 <br /> Environmental Protection Specialist DIVISION OF RECLAMATION <br /> Division of Reclamation, Mining and Safety MINING AND SAFETY� <br /> Department of Natural Resources <br /> ��h <br /> 1313 Sherman St. Room 215 <br /> Denver, Colorado 80203 <br /> RE: Climax Mine, Permit No. M-1977-493, Technical Revision 21 and 29— Mayflower Flood <br /> Bypass Tunnel <br /> Dear Mr. Czapla, <br /> The original Mayflower Flood Bypass Tunnel design was approved by the Division of Reclamation <br /> Mining and Safety (DRMS) under TR-21. Climax modified the design for Stage 2 (Referred to as <br /> Phase II in the attached drawings) of the tunnel in TR-29 and it was approved by DRMS in May of <br /> 2019. Please find attached the certification and as-builts from the Engineer of Record for the <br /> Mayflower Flood Bypass Tunnel, Phase II. Please feel free to contact me at 719-486-7525 if you <br /> need additional information. <br /> Sincerely, <br /> 74 4-� <br /> Diana Kelts <br /> Environmental Manager <br /> attachments <br />